if test x$enable___cxa_atexit = xyes || \
test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
if test x$host = x$target; then
- echo "$as_me:$LINENO: checking for __cxa_atexit" >&5
+ case $host in
+ # mingw32 doesn't have __cxa_atexit but uses atexit registration
+ # keyed to flag_use_cxa_atexit
+ *-*-mingw32*)
+ use_cxa_atexit=yes
+ ;;
+ *)
+ echo "$as_me:$LINENO: checking for __cxa_atexit" >&5
echo $ECHO_N "checking for __cxa_atexit... $ECHO_C" >&6
if test "${ac_cv_func___cxa_atexit+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
echo "__cxa_atexit can't be enabled on this target"
fi
+ ;;
+ esac
else
# We can't check for __cxa_atexit when building a cross, so assume
# it is available
fi
+ echo "$as_me:$LINENO: checking assembler for different section symbol subtraction" >&5
+echo $ECHO_N "checking assembler for different section symbol subtraction... $ECHO_C" >&6
+if test "${gcc_cv_as_ix86_diff_sect_delta+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ gcc_cv_as_ix86_diff_sect_delta=no
+ if test x$gcc_cv_as != x; then
+ echo '.section .rodata
+.L1:
+ .long .L2-.L1
+ .long .L3-.L1
+ .text
+.L3: nop
+.L2: nop' > conftest.s
+ if { ac_try='$gcc_cv_as -o conftest.o conftest.s >&5'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }
+ then
+ gcc_cv_as_ix86_diff_sect_delta=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+echo "$as_me:$LINENO: result: $gcc_cv_as_ix86_diff_sect_delta" >&5
+echo "${ECHO_T}$gcc_cv_as_ix86_diff_sect_delta" >&6
+if test $gcc_cv_as_ix86_diff_sect_delta = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_AS_IX86_DIFF_SECT_DELTA 1
+_ACEOF
+
+fi
+
# This one is used unconditionally by i386.[ch]; it is to be defined
# to 1 if the feature is present, 0 otherwise.
echo "$as_me:$LINENO: checking assembler for GOTOFF in data" >&5
fi
case $target in
+ *-*-aix*) conftest_s=' .machine "pwr6"
+ .csect .text[PR]
+ mffgpr 1,3';;
+ *) conftest_s=' .machine power6
+ .text
+ mffgpr 1,3';;
+ esac
+
+ echo "$as_me:$LINENO: checking assembler for move fp gpr support" >&5
+echo $ECHO_N "checking assembler for move fp gpr support... $ECHO_C" >&6
+if test "${gcc_cv_as_powerpc_mfpgpr+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ gcc_cv_as_powerpc_mfpgpr=no
+ if test $in_tree_gas = yes; then
+ if test $gcc_cv_gas_vers -ge `expr \( \( 9 \* 1000 \) + 99 \) \* 1000 + 0`
+ then gcc_cv_as_powerpc_mfpgpr=yes
+fi
+ elif test x$gcc_cv_as != x; then
+ echo "$conftest_s" > conftest.s
+ if { ac_try='$gcc_cv_as -o conftest.o conftest.s >&5'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }
+ then
+ gcc_cv_as_powerpc_mfpgpr=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+echo "$as_me:$LINENO: result: $gcc_cv_as_powerpc_mfpgpr" >&5
+echo "${ECHO_T}$gcc_cv_as_powerpc_mfpgpr" >&6
+if test $gcc_cv_as_powerpc_mfpgpr = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_AS_MFPGPR 1
+_ACEOF
+
+fi
+
+ case $target in
*-*-aix*) conftest_s=' .csect .text[PR]
LCF..0:
addis 11,30,_GLOBAL_OFFSET_TABLE_-LCF..0@ha';;
else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
fi
fi
+ echo "$as_me:$LINENO: checking assembler for -mno-shared support" >&5
+echo $ECHO_N "checking assembler for -mno-shared support... $ECHO_C" >&6
+if test "${gcc_cv_as_mips_no_shared+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ gcc_cv_as_mips_no_shared=no
+ if test $in_tree_gas = yes; then
+ if test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 16 \) \* 1000 + 0`
+ then gcc_cv_as_mips_no_shared=yes
+fi
+ elif test x$gcc_cv_as != x; then
+ echo 'nop' > conftest.s
+ if { ac_try='$gcc_cv_as -mno-shared -o conftest.o conftest.s >&5'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }
+ then
+ gcc_cv_as_mips_no_shared=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+echo "$as_me:$LINENO: result: $gcc_cv_as_mips_no_shared" >&5
+echo "${ECHO_T}$gcc_cv_as_mips_no_shared" >&6
+if test $gcc_cv_as_mips_no_shared = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_AS_NO_SHARED 1
+_ACEOF
+
+fi
;;
esac
echo "$as_me:$LINENO: result: $gcc_cv_ld_pie" >&5
echo "${ECHO_T}$gcc_cv_ld_pie" >&6
+echo "$as_me:$LINENO: checking linker EH-compatible garbage collection of sections" >&5
+echo $ECHO_N "checking linker EH-compatible garbage collection of sections... $ECHO_C" >&6
+gcc_cv_ld_eh_gc_sections=no
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 17 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_eh_gc_sections=yes
+ fi
+elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
+ cat > conftest.s <<EOF
+ .section .text
+.globl _start
+ .type _start, @function
+_start:
+ .long foo
+ .size _start, .-_start
+ .section .text.foo,"ax",@progbits
+ .type foo, @function
+foo:
+ .long 0
+ .size foo, .-foo
+ .section .gcc_except_table.foo,"a",@progbits
+.L0:
+ .long 0
+ .section .eh_frame,"a",@progbits
+ .long .L0
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
+ if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
+ | grep "gc-sections option ignored" > /dev/null; then
+ gcc_cv_ld_eh_gc_sections=no
+ elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
+ gcc_cv_ld_eh_gc_sections=yes
+ fi
+ fi
+ rm -f conftest.s conftest.o conftest
+fi
+if test x$gcc_cv_ld_eh_gc_sections = xyes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_LD_EH_GC_SECTIONS 1
+_ACEOF
+
+fi
+echo "$as_me:$LINENO: result: $gcc_cv_ld_eh_gc_sections" >&5
+echo "${ECHO_T}$gcc_cv_ld_eh_gc_sections" >&6
+
# --------
# UNSORTED
# --------
OSDN Git Service
